Molecular Biologists, Immunology
05 June 2016 4,074 3 View
I do transformations of erythromycin resistant plasmids into S.mutans. I am short in time. Do you know what is the working concentration of S.mutans UA159 to erythromycin? I tried with 10 ug/ml,...
08 September 2015 9,145 1 View
07 August 2015 8,961 2 View
I want to know which of the available Covid-19 Vaccines would elicit the best immunological response and why
02 March 2021 1,388 3 View
I performed site directed mutagenesis, transformation, and then I sent out plasmids for Sanger sequencing and found out that there is extension of DNA just before the stop codon. I am not sure...
27 February 2021 547 3 View
Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...
24 February 2021 1,243 1 View
Hi, I am staining a human blood with CD19, CD3,CD14 and CD16. My gating strategy in FlowJo goes like this: - First, I gate a general population SSC-A VS FSC-A => Then gate for single cells, =>...
21 February 2021 5,724 4 View
I constructed a synthetic DNA library (scFv, VH-VL orientation) with a 3' reporter and 8x histag. I cloned and expressed this gene following which I performed an ELISA. The ELISA results suggested...
19 February 2021 7,006 5 View
I want to completely delete or largely truncate a gene and not only achieve a functional knockout in a cell line. I can only transfect my cells with the Crispr/Cas9 sgRNA RNP and not introduce a...
08 February 2021 2,032 2 View
Hello, I hope to insert a gene into mammalian cells in culture using CRISPR/Cas9 and an HDR template. Will insertion of a 1 kilobase gene cause chromosomal abnormalities and effect cell...
31 January 2021 2,516 1 View
Hello, I want to insert a gene into my cells using sgRNA, Cas9, and an HDR template. The gene that I will insert into has its own promoter. Because I will cut the gene downstream of its start...
14 January 2021 1,170 2 View
I am wondering if anyone has had success with in vitro polarization (via cytokines) of Jurkat cells. My goal is to understand the affect of a drug on Treg induction and differentiation. I...
12 January 2021 3,606 2 View
I want to clone have two proteins cloned into pPROexHtb+ (which has one cloning site). I want to express them as a protein complex. My question is would you generally put a stop codon after first...
09 January 2021 8,811 2 View